// const app = getApp()
// export default class Props{
//   static setPlayer(player:any, cb=null){
//     app.player = Object.assign({}, app.player, player)
//     this.setData({ player: app.player }, ()=>{
//       cb && cb()
//     })
//   }
//   static setPlaying(playing:any, cb=null){
//     app.player.playing = Object.assign({}, app.player.playing, playing)
//     this.setData({ player: app.player }, ()=>{
//       cb && cb()
//     })
//   }

// }